Stephanie Weaver

The bike – a self-build BMX type bike – was taken from the first-floor shopping area in Corporation Street, sometime between 5pm and 7pm.

The bike frame is red and the handle bars and front forks are covered with stickers.

Witnesses to the theft, or anyone with any information about the stolen bike, are asked to call Northamptonshire Police on 101 or Crimestoppers anonymously on 0800 555111 or use the anonymous online form at www.crimestoppers-uk.org.